Possible Realization of Directional Optical Waveguides in Photonic Crystals with Broken Time-Reversal Symmetry
arXiv:cond-mat/0503588 · doi:10.1103/PhysRevLett.100.013904
Abstract
We show how in principle to construct analogs of quantum Hall edge states in "photonic crystals" made with non-reciprocal (Faraday-effect) media. These form "one-way waveguides" that allow electromagnetic energy to flow in one direction only.
4 pages, 1 figure